B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
B60R 13/08 (2006.01) B29C 44/04 (2006.01) B29C 44/08 (2006.01) B32B 5/18 (2006.01) B32B 5/32 (2006.01) B32B 27/32 (2006.01) B62D 29/00 (2006.01)
Patent
CA 2416346
An insulation material is disclosed. The insulation material is a foam layer of polyethylene foam defining cells therein, where each of the cells have a pressure therein of less than atmospheric pressure. A vehicle insulation system is also disclosed. The vehicle insulation system includes (a) a wall of a vehicle body; and (b) a foam layer of polyethylene foam located proximate to the wall, the polyethylene foam defining cells therein, where each of the cells having a pressure therein, which less than atmospheric pressure. A method of manufacturing an insulation material is also disclosed. The method involves: (a) heating said web to expand the blowing agent in said cells to an extent sufficient to expand said cells and cause at least a portion of said blowing agent to escape and reduce pressure within said cells to a level below atmospheric pressure; and (b) cooling said web to terminate escape of blowing agent and maintain the pressure in the cells at said level below atmospheric pressure.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Versatech Industries Ltd.
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